folded cavity

folded cavity

[¦fōld·əd ′kav·əd·ē]
(electronics)
Arrangement used in a klystron repeater to make the incoming wave act on the electron stream from the cathode at several places and produce a cumulative effect.
References in periodicals archive ?
This configuration is called a folded cavity surface emitter.
The folded cavity approach has been used at 1.3 ||mu~m.sup.7~ and 0.8 ||mu~m.sup.8~ to fabricate incoherent two-dimensional arrays of the type shown in Figure 5.